<template>
  <div class="dashboard-container">
    <div class="app-container">
      <!-- 靠右的按钮 -->
      <page-tools>
        <template v-slot:after>
          <el-button type="primary" size="small" @click="addPermission('0',1)">添加权限</el-button>
        </template>
      </page-tools>
      <!-- 表格 -->
      <el-table :data="list" row-key="id" border>
        <el-table-column align="left" label="名称" prop="name"/>
        <el-table-column align="center" label="标识" prop="code"/>
        <el-table-column align="center" label="描述" prop="description"/>
        <el-table-column align="center" label="操作">
          <template slot-scope="{ row }">
            <el-button type="text" @click="addPermission(row.id,2)" v-if="row.type === 1">添加</el-button>
            <el-button type="text" @click="editPermission(row.id)">编辑</el-button>
            <el-button type="text" @click="delPermission(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <!--    放置一个弹层，用来编辑新增节点-->
    <el-dialog :title="showText" :visible="showDialog" @close="btnCancel">
      <!-- 表单 -->
      <el-form ref="perForm" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="formData.name" style="width:90%"/>
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="formData.code" style="width:90%"/>
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" style="width:90%"/>
        </el-form-item>
        <el-form-item label="开启">
          <el-switch
            v-model="formData.enVisible"
            active-value="1"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" type="primary" @click="btnOK">确定</el-button>
          <el-button size="small" @click="btnCancel">取消</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>
<script>
  import {
    getPermissionList,
    updatePermission,
    addPermission,
    getPermissionDetail,
    delPermission
  } from '@/api/permission'
  import { tranListToTreeData } from '@/utils'

  export default {
    data() {
      return {
        list: [],
        formData: {
          name: '', // 名称
          code: '', // 标识
          description: '', // 描述
          type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
          pid: '', // 因为做的是树 需要知道添加到哪个节点下了
          enVisible: '0' // 开启
        },
        rules: {
          name: [{ required: true, message: '权限名称不能为空', trigger: 'blur' }],
          code: [{ required: true, message: '权限标识不能为空', trigger: 'blur' }]
        },
        showDialog: false
      }
    },
    created() {
      this.getPermissionList()
    },
    computed:{
      showText(){
        return this.formData.id ? '编辑权限' : '新增权限'
      }
    },
    methods: {
      // 获取权限数据
      async getPermissionList() {
        this.list = tranListToTreeData(await getPermissionList(), '0')
      },
      // 删除操作
      async delPermission(id) {
        try {
          await this.$confirm('确定要删除该数据吗？')
          await delPermission(id)
          this.getPermissionList()
          this.$message.success('删除成功！')
        } catch (e) {
          console.log(e)
        }
      },
      // 弹窗中的确定操作
      btnOK() {
        this.$refs.perForm.validate().then(() => {
          if (this.formData.id) {
            // 修改
            return updatePermission(this.formData)
          }
          return addPermission(this.formData)
        }).then(() => {
            // 提示信息
            this.$message.success('新增成功')
            this.getPermissionList()
            this.showDialog = false
          })
      },
      // 弹窗中的取消操作
      btnCancel(){
        this.formData = {
          name: '', // 名称
          code: '', // 标识
          description: '', // 描述
          type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
          pid: '', // 因为做的是树 需要知道添加到哪个节点下了
          enVisible: '0' // 开启
        }
        this.$refs.perForm.resetFields()
        this.showDialog = false
      },
      addPermission(pid, type){
        this.formData.pid = pid
        this.formData.type = type
        this.showDialog = true
      },
      async editPermission(id){
        // 根据获取id获取详情
        this.formData = await getPermissionDetail(id)
        this.showDialog = true
      }
    }
  }
</script>
<style scoped>

</style>
